package pointandlinejicheng;

public class TestPoint {
	public static void main(String[] args) {
		LineSub lineSub = new LineSub(1.0, 1.0, 4.0, 5.0);

		// System.out.println(lineSub.getBegin());
		// lineSub.getLength();
		System.out.println(lineSub.getLength());
		System.out.println(lineSub.getGradient());
	}
}
